Year	Percent change (Units)
2000	25.690
2001	27.860
2002	9.361
2003	6.230
2004	4.164
2005	1.800
2006	2.800
2007	7.700
2008	7.200
2009	1.500
2010	0.444
2011	3.646
2012	5.117
2013	0.304
2014	-0.303
2015	1.420
2016	1.000
2017	1.881
2018	1.652
2019	1.052
2020	-0.946
2021	4.680
2022	17.153
2023	4.283
2024	4.161
2025	2.098
2026	2.012
2027	1.945
2028	1.939
2029	1.929